“The Mayor thinks F1 is a fantastic event that any city would feel privileged to host, and he is always interested in projects that attract jobs and bring growth.
He is positive that London would do a spectacular job of holding a Grand Prix; but it is impossible to say what the impact might be without detailed planning, consultation and research and the question of air quality and noise impact would have to be looked at very carefully.”
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London mayor Sadiq Khan and Prime Minister David Cameron both gave speeches in Roehampton at the arrival of Britain Stronger In Europe bus.
Millwall fans who forced Barnsley supporters to flee as they tried to break into the opposing team's end at Wembley could face life bans.
Some sunny spells are likely later in the west following a dull start.